#ifndef VEGA_VNtuple
#define VEGA_VNtuple

//*-- Author :    Damir Buskulic   23/09/99

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// VNtuple                                                              //
//                                                                      //
// A standard simple ntuple with some drawing options suitable for      //
// GW analysis                                                          //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#include "TCut.h"
#include "TNtuple.h"
#include "VGPSTime.h"
#include "VVirtualNtuplePlayer.h"

class VNtuple : public TNtuple
{
private :

   Double_t     mStep;       // time step defined at building time
   VGPSTime     mGPSStart;   // start time of the first entry. Used as ref time
   Int_t        mLeapS;      // leap seconds for calculating UTC time
   Int_t        mLocalTime;  // offset factor for calculating local time
   VVirtualNtuplePlayer*  mPlayer;      // Pointer to current metadb player
      
public :

   VNtuple();
   VNtuple(const char *name,const char *title, const char *varlist, Int_t bufsize=32000);
   VNtuple(const char *name,const char *title, const char *varlist, const char* asciifilename, Int_t bufsize=32000);
   VVirtualNtuplePlayer*  GetPlayer();
   virtual Int_t      DrawGraph(TCut varexp, TCut selection, Option_t *option=""
                       ,Int_t nentries=1000000000, Int_t firstentry=0);
   virtual Int_t      DrawGraph(const char *varexp, const char *selection, Option_t *option=""
                       ,Int_t nentries=1000000000, Int_t firstentry=0);
   virtual Int_t      DrawSeries(TCut varexp, TCut selection, Option_t *option=""
                       ,Int_t nentries=1000000000, Int_t firstentry=0);
   virtual Int_t      DrawSeries(const char *varexp, const char *selection, Option_t *option=""
                       ,Int_t nentries=1000000000, Int_t firstentry=0);
   virtual Double_t   GetStep() {return mStep;}
   virtual VGPSTime   GetGPSStart() {return mGPSStart;} // True gps time start for this VNTuple
           Int_t      GetLocalTime() {return mLocalTime;} // local time for this vntuple
           Int_t      GetLeapS() {return mLeapS;} // Leap seconds for this vntuple
   virtual void       SetStep(Double_t step) {mStep = step;}
   virtual void       SetGPSStart(Double_t gpsstart) {mGPSStart = gpsstart;}
   virtual void       SetGPSStart(UInt_t gpsstartS, UInt_t gpsstartNS) {mGPSStart.SetSec(gpsstartS); mGPSStart.SetNsec(gpsstartNS);}
           void       SetLocalTime(Int_t localtime) {mLocalTime = localtime;}
           void       SetLeapS(Int_t leaps) {mLeapS = leaps;}
   
   ClassDef(VNtuple,2) // Ntuple for GW analysis
};
#endif